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PERIOPERATIVE AND TRANSITIONAL MEDICINE GROUP PLLC
NPI 1124495718
Internal Medicine in Dallas, TX

Active since August 31, 2015CLIA 45D2294085 · Accreditation
8220 WALNUT HILL LN STE 600, DALLAS, TX 75231(214) 238-3074(214) 238-3608 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 11, 2025, Jul 29, 2019, Jun 20, 2018 and 3 more (6 updates tracked since 2017).

About Perioperative And Transitional Medicine Group Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PERIOPERATIVE AND TRANSITIONAL MEDICINE GROUP PLLC (NPI 1124495718) is a healthcare organization registered as an internal medicine in Dallas, Texas and active in the NPI registry since August 2015. The organization holds an CLIA Accreditation certificate valid through December 16, 2026 and lists Jamal Qamar Lone, Owner/ceo, as its authorized official.

NPPES Registry Identity

NPI1124495718
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePERIOPERATIVE AND TRANSITIONAL MEDICINE GROUP PLLC
Location Address8220 WALNUT HILL LN STE 600Dallas, TX 75231-4433
Mailing Address8220 Walnut Hill Ln Ste 600Dallas, TX 75231-4433 · (214) 238-3074 · Fax (214) 238-3608
Phone(214) 238-3074
Fax(214) 238-3608
Organization SubpartNo
Authorized OfficialJamal Qamar LoneOwner/ceo · (214) 238-3074
Enumeration DateAugust 31, 2015
Last NPPES UpdateDecember 11, 20256 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1124495718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · M4304✔ Licensed in TX · Q8362
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP132280 (TX), AP133757 (TX)
8220 WALNUT HILL LN STE 600, Dallas, TX 75231
Open in Google Maps ↗

Other Identifiers 3

Other1-407396TX · Tmlt
Medicaid351460601TX
Other2-450497TX · Tmic

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Perioperative And Transitional Medicine Group Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

55

Medicare enrollment records show 55 clinicians reassign Medicare billing to Perioperative And Transitional Medicine Group PLLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 11

Nurse Practitioner26
Internal Medicine17
Family Practice2
Nephrology2
Podiatry2
Endocrinology1
Geriatric Medicine1
Infectious Disease1
3 other specialties3

Nearest to this location (20)

See all 55
Kendra Knatt, APRN ,
Nurse Practitioner
NPI 1710749734
8220 WALNUT HILL LN STE 600
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Ousama Moammar, MD
Internal Medicine
NPI 1699981431
8220 WALNUT HILL LN STE 600
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Arianna Pacheco, APRN FNP-C
Nurse Practitioner
NPI 1699632927
8220 WALNUT HILL LN STE 600
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Lizzie Wert, AGACNP-BC
Nurse Practitioner
NPI 1932923158
8220 WALNUT HILL LN STE 600
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Jamal Lone, MD
Internal Medicine
NPI 1104840545
8210 WALNUT HILL LN STE 312
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Mohammed Suhail, D.O.
Internal Medicine
NPI 1457799355
8220 WALNUT HILL LN STE 600
Dallas, TX 75231
(214) 238-3074
✔ PECOS✔ Accepts MedicareSame address
Maryam Zamanian, MD
Endocrinology
NPI 1174508311
3600 GASTON AVE SUITE 454
Dallas, TX 75246
(214) 820-8940
✔ PECOS✔ Accepts Medicare6.4 mi
Nirmala David, APRN
Nurse Practitioner
NPI 1619661428
5200 HARRY HINES BLVD
Dallas, TX 75235
(214) 590-8000
✔ PECOS✔ Accepts Medicare6.5 mi
Lauren Benefield, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1538958301
5303 HARRY HINES BLVD
Dallas, TX 75390
(214) 645-8300
✔ PECOS✔ Accepts Medicare6.7 mi
Tracie Jay-Hernandez, APRN, FNP-C
Nurse Practitioner
NPI 1720549355
17754 PRESTON RD STE 100
Dallas, TX 75252
(214) 557-3289
✔ PECOS8.0 mi
Nirmala Martin, FNP-C
Nurse Practitioner
NPI 1235717307
3714 GOOSE CREEK PKWY
Garland, TX 75040
(214) 780-8211
✔ PECOS✔ Accepts Medicare8.3 mi
Rizwan Bukhari, M.D.
Vascular Surgery
NPI 1225076227
3220 GUS THOMASSON RD STE 231
Mesquite, TX 75150
(972) 885-8346
✔ PECOS✔ Accepts Medicare9.0 mi
Ramy Elhalwagi, DO
Internal Medicine
NPI 1326572108
525 SHILOH RD STE 4100
Plano, TX 75074
(469) 209-9798
✔ PECOS✔ Accepts Medicare10.0 mi
Metasebiya Dewele, FNP-BC
Nurse Practitioner
NPI 1124834957
3714 THORNHILL WAY
Rowlett, TX 75088
(469) 363-0429
✔ PECOS✔ Accepts Medicare11 mi
Erica Duncan, AGACNP
Nurse Practitioner
NPI 1134767064
1611 N BELT LINE RD STE C
Mesquite, TX 75149
(972) 288-3471
✔ PECOS✔ Accepts Medicare12 mi
Mohammad Kabir, MD
Nephrology
NPI 1285859389
9947 N MACARTHUR BLVD STE 150
Irving, TX 75063
(817) 877-5858
✔ PECOS✔ Accepts Medicare12 mi
Batool Imtiaz, M.D.
Family Practice
NPI 1386973782
6020 W PARKER RD STE 350
Plano, TX 75093
(214) 501-3325
✔ PECOS✔ Accepts Medicare12 mi
Ryan Arispe, MD
Internal Medicine
NPI 1467039552
6200 W PARKER RD
Plano, TX 75093
(972) 981-3225
✔ PECOS✔ Accepts Medicare12 mi
Afia Umber, M.D.
Internal Medicine
NPI 1902057383
809 S MACARTHUR BLVD STE 400
Coppell, TX 75019
(469) 498-2000
✔ PECOS✔ Accepts Medicare12 mi
Gary Heredia, DPM
Podiatry
NPI 1508270695
3550 PARKWOOD BLVD STE 702
Frisco, TX 75034
(972) 559-0051
✔ PECOS✔ Accepts Medicare16 mi
See all 55 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 45D2294085

Perioperative And Transitional Medicine Group PLLC · Dallas, TX
Active · expires Dec 16, 2026
CLIA Number45D2294085
Laboratory TypePhysician Office
Certificate Effective DateDecember 17, 2024
Certificate Expiration DateDecember 16, 2026
Laboratory DirectorDr. Denika L. Adams
Laboratory Phone(214) 238-3074
Laboratory LocationPerioperative And Transitional Medicine Group PLLC8220 Walnut Hill Ln Ste 600, Dallas, TX 75231
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Perioperative And Transitional Medicine Group PLLC's NPI number?

The NPI number for Perioperative And Transitional Medicine Group PLLC is 1124495718. It was assigned to this organization in the NPPES registry on August 31, 2015.

Where is Perioperative And Transitional Medicine Group PLLC located?

Perioperative And Transitional Medicine Group PLLC is located at 8220 Walnut Hill Ln Ste 600, Dallas, TX 75231. The listed phone number is (214) 238-3074.

What is Perioperative And Transitional Medicine Group PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Perioperative And Transitional Medicine Group PLLC enrolled in Medicare?

Yes. Perioperative And Transitional Medicine Group PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Perioperative And Transitional Medicine Group PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 55 clinicians in 11 Medicare specialties reassign their Medicare billing to Perioperative And Transitional Medicine Group PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (26), Internal Medicine (17) and Family Practice (2). Of these, 6 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Perioperative And Transitional Medicine Group PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D2294085) is associated with this NPI, valid through December 16, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Perioperative And Transitional Medicine Group PLLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Perioperative And Transitional Medicine Group PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Perioperative And Transitional Medicine Group PLLC was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.